Haemoglobin contains 0.33% of re by weight. If 1 molecule of Haemoglobin contains two Fe atoms, the molecular weight of Haemoglobin will be (At.wt. of Pe=56) nearly
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Percentage of iron=0.25%
100gm of haemoglobin has 0.25gm of iron.
89600 have 89600×
100
0.25
=224 gm
The atomic weight of Fe =56
No. of moles present =
56
224
=4
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